[PDF] Top 20 Electrical characterization of cuinse2 thin films for solar cell applications

... One of the leading examples of photovoltaic cell is CIS/CIGS based solar cell. CIS absorber layer having chalcopyrite crystal structure with optimal band gap 1.05 eV and high optical suitable for ... See full document

... based solar cells still present high costs of production because the materials must be extremely pure to ensure the efficiency of the devices ...produced. Thin film solar cells have been reported to ... See full document

... Hall Effect Measurements was carried out on doped zinc oxide thin films. The doped samples were subjected to a magnetic field with electric current passing through the magnetic field in a perpendicular ... See full document

... K. Thyagarajan received the M.Sc, M.Phil and Ph.D degrees in Physics from Sri Venkateswara University, Tirupati. He is presently Professor and head in the Department of Physics, JNTUA college of Engineering (Autonomous), ... See full document

... photovoltaic cell is a transducer that converts light energy into electric energy by photoelectric effect (Husam et ...In thin film technology, an electric field is developed which prompts a detachment of ... See full document

... for solar energy conversion, single crystal and thin film with high efficiency (~12%) had been synthesized ...CIS thin film can also be synthesized by low cost techniques, such as electrochemical ... See full document

... its electrical conductivity for various ...improved electrical conductivity in the Reduced Graphene Oxide (RGO) ...RGO films after exposure to hydrazine vapor and thermal treatment up to 1000 ˚C ... See full document

... (TCO) films are degenerate wide band gap semiconductors with low resistance and high transparency in the visible ...optoelectronic applications such as flat panel displays, solar cells and electro ... See full document

... the cell(Kramer and Sargent ...first cell with this architecture was produced in 2005 (McDonald, ...on electrical properties, it was found to actually hinder hole extraction, compared to the improved ... See full document

... of thin film technology (large surface areas area, cheap deposition techniques, economical use of semiconductor ...Si thin film solar cells on inexpensive foreign substrates have been studied ... See full document

... nm. Electrical properties were measured, concentration and mobility of carrier and Hall effect of film were ...and electrical re- sistivity of 5 - 10 ... See full document

... I would like to sincerely thank my supervisors,Dr. Walter Njoroge and Dr. Mathew Munji for their valued comments, opinions and suggestions throughout this study. Special thanks to Dr. Sebastian Waita of University of ... See full document

... a solar cell, it needs to reduce the reflection loss from the surface of the cell ...on solar cell surfaces over an extended solar spectral range for all angles of ...in ... See full document

... for solar cell ...quality electrical and optical properties superior to the conventional transparent conducting oxide ...these films have wide applications in photogalvanic cells, ... See full document

... is a direct band gap material, a high absorption coefficient, reasonable work function, good stability and largest efficiency [1]. Received considerable attention as one of the most promising materials for the next ... See full document

... and electrical characterization of the films with different amounts of dopant was carried out using UV-VIS-NIR spectrophotometer Solid State 3700 DUV and Four ...All films demonstrated ... See full document

... semiconducting thin films of CdO are transparent in visible and NIR spectral regions ...high electrical conductivity that is attributed to moderate electron mobility and higher carrier concentration ... See full document

... sputtering machine. Figure 4.2 shows the schematic diagram of sputtering process. The cleaned glass slides were mounted to the rotating substrate holder. The copper target was then mounted on the magnetron and it was ... See full document

... CIS films have some unique characteristics (bandwidth, absorption coefficient, diffusion length of minority carriers) specifically related to photovoltaic ... See full document

... Figure 4 shows the capacitance-voltage (C-V) meas- urements of the fabricated MIS structures at room tem- perature, 300˚C and 600˚C on the GaN thin film depos- ited at 650˚C. It is observed that, the capacitance ... See full document